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Operating Manual | Attachment and Installation Cooling Units | Standard Controller (SC) – 230 V | 086100113 45/66
4.6.8 Adapting the unit to the mains voltage
Only cooling units with a rated voltage of 400 / 460 V, 3~ can be optionally connected to another mains voltage.
• Cooling units with the rated voltage 230 / 115 V, 1~ have no transformer options.
4.6.9 Equipotential bonding connections
1 Functional equipotential bonding (M8-thread), for a
signal reception with low interference between the unit
and the switch cabinet.
Fig. 20: Equipotential bonding
Potential equalization provided by customer
If the device is to be integrated into the customer’s existing potential equalization for EMC reasons, a conductor can be
connected at the connecting point of the function potential equalization.
The connecting point is labeled with the necessary circuit symbol.
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